| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
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Designated Extension States: |
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AL LT LV MK |
| (30) |
Priority: |
21.03.2003 US 457060 P
|
| (71) |
Applicant: Aspen Technology, Inc. |
|
Cambridge, MA 02141 (US) |
|
| (72) |
Inventors: |
|
- ZHENG, Qingsheng
Sugar Land, TX 77479 (US)
- HARMSE, Magiel, J.
Great Shelford,Cambridge CB2 5SL (GB)
- RASMUSSEN, Kent, H.
Santa Barbara, CA 93101 (US)
- MCINTYRE, Blaine
Calgary,Alberta T2P 1H5 (CA)
|
| (74) |
Representative: Driver, Virginia Rozanne et al |
|
Page White & Farrer 54 Doughty Street
London WC1N 2LS
London WC1N 2LS (GB) |
|
